美国爱达荷大学(University of Idaho)行星科学家(planetary scientist)巴恩斯(Jas查看更多 月球快车公司筹集巨资计划在月球表面采矿 2016年，“月球快车”公司宣称计划在月球表面采矿，将一些...
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最近，行星科学家提出，地球生物圈发展的外部先决条件可能包括四个最重要的偶发事件。
Recently planetary scientists have suggested that the external preconditions for the development of Earth's biosphere probably included four paramount contingencies.
行星科学家艾伦·斯特恩认为，国际空间站最大的公关推动力可能来自私人资助的太空飞行业。
According to Alan Stern, planetary scientist, the biggest public relations boost for the ISS may come from the privately funded space flight industry.
由于大多数行星科学家认为水是生命的基本要素，因此黄钾铁矾的存在意味着火星上曾经存在出现生命的先决条件之一。
Since most planetary scientists believe that water is essential to life, the presence of jarosite means that one prerequisite for life was once present on Mars.
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